Outbreak of Salmonella enterica serotype Poona in infants linked to persistent Salmonella contamination in an infant formula manufacturing facility, France, August 2018 to February 2019

Author:

Jones Gabrielle1,Pardos de la Gandara Maria2,Herrera-Leon Laura3,Herrera-Leon Silvia3,Varela Martinez Carmen4,Hureaux-Roy Roselyne5,Abdallah Yasmine5,Nisavanh Athinna1,Fabre Laetitia2,Renaudat Charlotte2,Mossong Joël6,Mattheus Wesley7,Huard Cécile8,Le Borgne Caroline9,de Valk Henriette1,Weill François-Xavier2,Jourdan-Da Silva Nathalie1ORCID

Affiliation:

1. Santé publique France, Saint-Maurice, France

2. Centre National de Référence des Escherichia coli, Shigella et Salmonella, Institut Pasteur, Paris, France

3. National Centre for Microbiology, CIBER Epidemiologia y Salud Publica, Instituto de Salud Carlos III, Madrid, Spain

4. National Centre for Epidemiology, CIBER Epidemiologia y Salud Publica, Instituto de Salud Carlos III, Madrid, Spain

5. Directorate of the Ministry of Economy in charge of consumers’ affairs, Paris, France

6. Department of Microbiology, Laboratoire National de Santé, Dudelange, Luxembourg

7. National Reference Centre for Salmonella and Shigella, Sciensano, Brussels, Belgium

8. Direction Santé et Aide aux Personnes, Commission Communautaire Commune, Brussels, Belgium

9. French Ministry of Health, Paris, France

Abstract

We describe a Salmonella Poona outbreak involving 31 infant cases in France. Following outbreak detection on 18 January 2019, consumption of rice-based infant formula manufactured at a facility in Spain was identified as the probable cause, leading to a recall on 24 January. Whole genome sequencing analysis linked present outbreak isolates to a 2010–11 S. Poona outbreak in Spain associated with formula manufactured in the same facility, indicating a persistent source of contamination.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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